Alert archive / Nevada / Red Flag Warnings in 2011

Red Flag Warning 16, NWS Las Vegas, NV

July 17, 2011Esmeralda County, Nye County, Nevada; Inyo County, Tulare County, California

NWS Las Vegas, NV issued this red flag warning at Jul 17, 2011, 2:48 PM PDT for Esmeralda County, Nye County, Nevada; Inyo County, Tulare County, California. It took effect at Jul 18, 2011, 12:00 PM PDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 17, 2011, 2:48 PM PDT (21:48 UTC)
In effect from
Jul 18, 2011, 12:00 PM PDT
Expired
Jul 18, 2011, 8:00 PM PDT
In force
8 hr
Issued by
NWS Las Vegas, NV

Counties Inyo County, CA, Tulare County, CA, Esmeralda County, NV, Nye County, NV

The radar

The San Joaquin Valley radar (KHNX), 205 km from the middle of the area, began a volume at 21:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Las Vegas, NV (KVEF), launched 12:00Z, 9.8 hours before the alert went out and 201 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Las Vegas, NV at 12:00Z on 2011-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 12:00Z on 2011-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
5001 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

184 
WWUS85 KVEF 172148
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
248 PM PDT SUN JUL 17 2011

.A PACIFIC STORM SYSTEM DROPPING TO JUST OFF THE NORTHERN
CALIFORNIA COAST MONDAY WILL BRING AN INCREASE IN SOUTH TO
SOUTHWEST WINDS TO THE OWENS VALLEY AND PORTIONS OF CENTRAL
NEVADA. 

CAZ226-NVZ460-181400-
/O.NEW.KVEF.FW.W.0016.110718T1900Z-110719T0300Z/
OWENS VALLEY/SOUTHERN INYO FOREST-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
248 PM PDT SUN JUL 17 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM PDT MONDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
226 AND 460...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG
WARNING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM NOON TO 8 PM PDT MONDAY. 

* AFFECTED AREA...IN CALIFORNIA...FIRE WEATHER ZONE 226 OWENS 
  VALLEY/SOUTHERN INYO FOREST. IN NEVADA...FIRE WEATHER ZONE 460 
  ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH.

* TIMING...WINDS WILL INCREASE THROUGHOUT THE MORNING MONDAY WITH THE
  STRONGEST WINDS BETWEEN NOON AND 8 PM. HUMIDITY WILL BE LOW MOST
  OF THE DAY. WINDS WILL DECREASE AFTER SUNSET. 

* WIND...SOUTH TO SOUTHWEST WINDS WILL INCREASE TO 15 TO 25 MPH BY
  NOON WITH GUSTS AROUND 35 MPH. 

* HUMIDITY...MINIMUM RELATIVE HUMIDITY WILL BE BETWEEN 5 AND 10
  PERCENT. 

* IMPACTS...A COMBINATION OF STRONG WINDS...LOW RELATIVE 
  HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE 
  GROWTH POTENTIAL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
EXTREME FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
4 follow-up statements
547 
WWUS85 KVEF 181210
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
510 AM PDT MON JUL 18 2011

.A PACIFIC STORM SYSTEM OVER THE WEST COAST WILL BRING GUSTY SOUTH
TO SOUTHWEST WINDS TO THE OWENS VALLEY AND PORTIONS OF CENTRAL
NEVADA THIS AFTERNOON AND EARLY EVENING.

CAZ226-NVZ460-182015-
/O.CON.KVEF.FW.W.0016.110718T1900Z-110719T0300Z/
OWENS VALLEY/SOUTHERN INYO FOREST-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
510 AM PDT MON JUL 18 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PDT
THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 226 AND 460...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PDT
THIS EVENING. 

* AFFECTED AREA...IN CALIFORNIA...FIRE WEATHER ZONE 226 OWENS 
  VALLEY/SOUTHERN INYO FOREST. IN NEVADA...FIRE WEATHER ZONE 460 
  ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH. 

* TIMING...WINDS WILL INCREASE THROUGHOUT THE MORNING WITH THE
  STRONGEST WINDS BETWEEN NOON AND 8 PM.

* WIND...SOUTH TO SOUTHWEST WINDS WILL INCREASE TO 15 TO 25 MPH BY
  NOON WITH GUSTS AROUND 35 MPH BEFORE DECREASING DURING THE EARLY
  EVENING.

* HUMIDITY...MINIMUM RELATIVE HUMIDITY WILL BE BETWEEN 5 AND 10 
  PERCENT. 

* IMPACTS...A COMBINATION OF STRONG WINDS...LOW RELATIVE 
  HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE 
  GROWTH POTENTIAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
EXTREME FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
076 
WWUS85 KVEF 182013
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
113 PM PDT MON JUL 18 2011

.A PACIFIC STORM SYSTEM OVER THE WEST COAST WILL CONTINUE TO BRING
GUSTY SOUTH TO SOUTHWEST WINDS TO THE OWENS VALLEY AND PORTIONS OF
CENTRAL NEVADA THIS AFTERNOON AND EARLY EVENING.

CAZ226-NVZ460-190300-
/O.CON.KVEF.FW.W.0016.000000T0000Z-110719T0300Z/
OWENS VALLEY/SOUTHERN INYO FOREST-
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
113 PM PDT MON JUL 18 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
226 AND 460...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING.

* AFFECTED AREA...IN CALIFORNIA...FIRE WEATHER ZONE 226 OWENS 
  VALLEY/SOUTHERN INYO FOREST. IN NEVADA...FIRE WEATHER ZONE 460 
  ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH. 

* TIMING...THE STRONGEST WINDS CAN BE EXPECTED THROUGH 8 PM WITH
  WINDS DIMINISHING LATER THIS EVENING.

* WIND...SOUTH TO SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS AROUND
  35 MPH BEFORE DECREASING DURING THE EARLY EVENING.

* HUMIDITY...MINIMUM RELATIVE HUMIDITY WILL BE BETWEEN 5 AND 10 
  PERCENT. 

* IMPACTS...A COMBINATION OF STRONG WINDS...LOW RELATIVE 
  HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE 
  GROWTH POTENTIAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
EXTREME FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
082 
WWUS85 KVEF 182136
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
236 PM PDT MON JUL 18 2011

.A PACIFIC STORM SYSTEM OVER THE WEST COAST WILL CONTINUE TO
BRING GUSTY SOUTH TO SOUTHWEST WINDS TO THE OWENS VALLEY AND
PORTIONS OF CENTRAL NEVADA THIS AFTERNOON AND EARLY EVENING. WINDS
ARE EXPECTED TO INCREASE TUESDAY AFTERNOON AND MAINLY AFFECT THE
EAST CENTRAL PORTIONS OF NEVADA. 

NVZ460-190300-
/O.NEW.KVEF.FW.A.0016.110719T1900Z-110720T0300Z/
/O.CON.KVEF.FW.W.0016.000000T0000Z-110719T0300Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
236 PM PDT MON JUL 18 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
460...
...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONE 460...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A FIRE
WEATHER WATCH FOR STRONG WINDS AND LOW RELATIVE HUMIDITY...WHICH
IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING. A
RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONE 460 ESMERALDA AND NYE COUNTY
  DESERTS/CNC DISPATCH.

* TIMING...THE STRONGEST WINDS CAN BE EXPECTED THROUGH 8 PM WITH
  WINDS DIMINISHING LATER THIS EVENING. WINDS WILL INCREASE
  TUESDAY AFTERNOON AND CONTINUE THROUGH EARLY TUESDAY EVENING. 

* WIND...SOUTH TO SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS AROUND
  35 MPH BEFORE DECREASING EARLY EACH EVENING.

* HUMIDITY...MINIMUM RELATIVE HUMIDITY WILL BE BETWEEN 5 AND 10 
  PERCENT. 

* IMPACTS...A COMBINATION OF STRONG WINDS...LOW RELATIVE 
  HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE 
  GROWTH POTENTIAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
EXTREME FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

&&

$$

CAZ226-190300-
/O.CON.KVEF.FW.W.0016.000000T0000Z-110719T0300Z/
OWENS VALLEY/SOUTHERN INYO FOREST-
236 PM PDT MON JUL 18 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
226...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 226 OWENS VALLEY/SOUTHERN INYO
  FOREST.

* TIMING...THE STRONGEST WINDS CAN BE EXPECTED THROUGH 8 PM WITH 
  WINDS DIMINISHING LATER THIS EVENING. 

* WIND...SOUTH TO SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS AROUND 
  35 MPH BEFORE DECREASING DURING THE EARLY EVENING. 

* HUMIDITY...MINIMUM RELATIVE HUMIDITY WILL BE BETWEEN 5 AND 10 
  PERCENT. 

* IMPACTS...A COMBINATION OF STRONG WINDS...LOW RELATIVE 
  HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE 
  GROWTH POTENTIAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
EXTREME FIRE GROWTH POTENTIAL.

&&

$$

HTTP://WEATHER.GOV/LASVEGAS
906 
WWUS85 KVEF 190237
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
737 PM PDT MON JUL 18 2011

.A PACIFIC STORM SYSTEM WILL BRING GUSTY SOUTH TO SOUTHWEST WINDS
TO SOUTH CENTRAL NEVADA TUESDAY AFTERNOON.

NVZ460-191400-
/O.EXP.KVEF.FW.W.0016.000000T0000Z-110719T0300Z/
/O.CON.KVEF.FW.A.0016.110719T1900Z-110720T0300Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
737 PM PDT MON JUL 18 2011

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH TUESDAY EVENING FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 460...
...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
460...

THE RED FLAG WARNING FOR THE ESMERALDA AND NYE COUNTY DESERTS WILL
EXPIRE AT 8 PM PDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN
EFFECT FOR THIS AREA FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 460 ESMERALDA AND NYE COUNTY 
  DESERTS/CNC DISPATCH. 

* TIMING...WINDS WILL INCREASE TUESDAY AFTERNOON AND CONTINUE
  THROUGH EARLY TUESDAY EVENING.

* WIND...SOUTH TO SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS AROUND
  35 MPH IN THE AFTERNOON...DECREASING EARLY IN THE EVENING.

* HUMIDITY...MINIMUM RELATIVE HUMIDITY WILL BE BETWEEN 5 AND 10 
  PERCENT. 

* IMPACTS...A COMBINATION OF STRONG WINDS...LOW RELATIVE
  HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE GROWTH
  POTENTIAL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

&&

$$

CAZ226-190345-
/O.EXP.KVEF.FW.W.0016.000000T0000Z-110719T0300Z/
OWENS VALLEY/SOUTHERN INYO FOREST-
737 PM PDT MON JUL 18 2011

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
226...

THE RED FLAG WARNING FOR THE OWENS VALLEY WILL EXPIRE AT 8 PM PDT
THIS EVENING.

WINDS HAD SUBSIDED EARLY THIS EVENING...SO THE RED FLAG WARNING
WILL BE ALLOWED TO EXPIRE. RELATIVE HUMIDITY WILL REMAIN LOW
OVERNIGHT.

$$

MORGAN

HTTP://WEATHER.GOV/LASVEGAS

Nearby

Red Flag Warnings in Nevada, 2011Red Flag Warnings in California, 2011Every red flag warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.